Google · SELECTED HISTORY
Gemini model history: selected Pro releases in 2024 and 2025
These Pro releases illustrate two distinct dimensions of progress: how much information a model can receive, and how it reasons about a task.
Coverage
Two selected Pro releases from February 2024 and March 2025. Other Gemini versions and later updates are not covered.
Gemini 1.5 Pro
Much longer inputs become possible
Original sourceGemini 2.5 Pro
Reasoning across long and visual inputs
Original source
How to read a release timeline
A paper, preview and public rollout can have different dates. These entries preserve that distinction. Release dates show when something was announced or made available, not how far ahead one company is overall.